module.exports = {
  presets: [
    "@vue/cli-plugin-babel/preset"[
      ("@babel/preset-env",
      {
        targets: ["defaults", "IE 11"],
        useBuiltIns: "usage",
        corejs: 3,
      })
    ],
  ],
  plugins: [
    [
      "@babel/plugin-proposal-class-properties",
      {
        loose: true,
      },
    ],
    "@babel/plugin-proposal-optional-chaining",
  ],
};
